package com.ziyueyuwen.xiniao.dao;

import com.ziyueyuwen.xiniao.bean.ZyProductStage;
import com.ziyueyuwen.xiniao.mapper.BaseMapper;

import java.util.List;
/**
 * @author wancheng
 */
public interface ZyProductStageMapper extends BaseMapper<ZyProductStage>{
    /**
     * 获取上架商品的期次
     * @param courseId
     * @return
     */
    List<ZyProductStage> getUpperProductStage(Integer courseId);
}